filament & sheath
Plectonema (plecked-owe-knee-ma) is a filamentous cyanobacterium. Individual cells are more or less cylindrical, but typically have rounded ends and may be a little swollen centrally. The cells move slowly within a sheath - which can be seen here external to some dead cells of the filament. These particular cells were not particularly strongly coloured. Phase contrast. This picture was taken by David Patterson, Linda Amaral Zettler and Virginia Edgcomb of material from the salt marsh at Little Sippewissett (Massachusetts, USA) in Autumn, 2000 and in Spring and summer, 2001. Image copyright: D. J. Patterson, L. Amaral-Zettler and V. Edgcomb, image used under license to MBL (micro*scope).
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Plectonema
From the collection
Little Sippewissett salt marsh, Massachusetts, USA
No description of Plectonema available.
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